Ejemplo n.º 1
0
static av_cold int read_header(AVFormatContext *ctx)
{
    CDIOContext *s = ctx->priv_data;
    AVStream *st;
    int ret, i;
    char *err = NULL;

    if (!(st = avformat_new_stream(ctx, NULL)))
        return AVERROR(ENOMEM);
    s->drive = cdio_cddap_identify(ctx->filename, CDDA_MESSAGE_LOGIT, &err);
    if (!s->drive) {
        av_log(ctx, AV_LOG_ERROR, "Could not open drive %s.\n", ctx->filename);
        return AVERROR(EINVAL);
    }
    if (err) {
        av_log(ctx, AV_LOG_VERBOSE, "%s\n", err);
        free(err);
    }
    if ((ret = cdio_cddap_open(s->drive)) < 0 || !s->drive->opened) {
        av_log(ctx, AV_LOG_ERROR, "Could not open disk in drive %s.\n", ctx->filename);
        return AVERROR(EINVAL);
    }

    cdio_cddap_verbose_set(s->drive, CDDA_MESSAGE_LOGIT, CDDA_MESSAGE_LOGIT);
    if (s->speed)
        cdio_cddap_speed_set(s->drive, s->speed);

    s->paranoia = cdio_paranoia_init(s->drive);
    if (!s->paranoia) {
        av_log(ctx, AV_LOG_ERROR, "Could not init paranoia.\n");
        return AVERROR(EINVAL);
    }
    cdio_paranoia_modeset(s->paranoia, s->paranoia_mode);

    st->codec->codec_type      = AVMEDIA_TYPE_AUDIO;
    if (s->drive->bigendianp)
        st->codec->codec_id    = AV_CODEC_ID_PCM_S16BE;
    else
        st->codec->codec_id    = AV_CODEC_ID_PCM_S16LE;
    st->codec->sample_rate     = 44100;
    st->codec->channels        = 2;
    if (s->drive->audio_last_sector != CDIO_INVALID_LSN &&
        s->drive->audio_first_sector != CDIO_INVALID_LSN)
        st->duration           = s->drive->audio_last_sector - s->drive->audio_first_sector;
    else if (s->drive->tracks)
        st->duration = s->drive->disc_toc[s->drive->tracks].dwStartSector;
    avpriv_set_pts_info(st, 64, CDIO_CD_FRAMESIZE_RAW, 2*st->codec->channels*st->codec->sample_rate);

    for (i = 0; i < s->drive->tracks; i++) {
        char title[16];
        snprintf(title, sizeof(title), "track %02d", s->drive->disc_toc[i].bTrack);
        avpriv_new_chapter(ctx, i, st->time_base, s->drive->disc_toc[i].dwStartSector,
                       s->drive->disc_toc[i+1].dwStartSector, title);
    }

    s->last_sector = cdio_cddap_disc_lastsector(s->drive);

    return 0;
}
Ejemplo n.º 2
0
void CddaImpl::open()
{
   driver_id_t driver_id = DRIVER_UNKNOWN;

   if (_device.empty())
   {
   char **ppsz_cd_drives = cdio_get_devices_with_cap_ret(NULL,  
                                                         CDIO_FS_AUDIO, 
                                                         false,
                                                         &driver_id);
   if (ppsz_cd_drives && *ppsz_cd_drives)
      _device = ppsz_cd_drives[0];

   cdio_free_device_list(ppsz_cd_drives);
   }

   _cdio = cdio_open(_device.c_str(), driver_id);

   if (_cdio == NULL) 
   {
      THROW_EXCEPTION(CddaException, "Could not open device.");
   }

   // Detect empty drive   
   if (cdio_get_first_track_num(_cdio) == CDIO_INVALID_TRACK) 
   {
      close();
      return;
   }

   _cdrom = cdio_cddap_identify_cdio(_cdio, CDDA_MESSAGE_LOGIT, NULL);

   if (_cdrom == NULL) 
   {
      THROW_EXCEPTION(CddaException, "Could not read cdrom structure.");
   }

   cdio_cddap_verbose_set(_cdrom, CDDA_MESSAGE_LOGIT, CDDA_MESSAGE_LOGIT);

   int ret = cdio_cddap_open(_cdrom);
   if (ret != 0) 
   {
      THROW_EXCEPTION(CddaException, cdda_error_message(ret));
   }

   _is_open = true;

   read_toc();
   //read_cddb();
}
Ejemplo n.º 3
0
		cdio() {
			/* See if we can find a device with a loaded CD-DA in it. */
			ppsz_cd_drives = cdio_get_devices_with_cap(NULL, CDIO_FS_AUDIO, false);

			if (ppsz_cd_drives) {
				/* Found such a CD-ROM with a CD-DA loaded. Use the first drive in the list. */
				d = cdio_cddap_identify(*ppsz_cd_drives, 1, NULL);
			} else {
				printf("Unable find or access a CD-ROM drive with an audio CD in it.\n");
			}

			/* Don't need a list of CD's with CD-DA's any more. */
			if (ppsz_cd_drives) cdio_free_device_list(ppsz_cd_drives);

			/* We'll set for verbose paranoia messages. */
			if (d) cdio_cddap_verbose_set(d, CDDA_MESSAGE_PRINTIT, CDDA_MESSAGE_PRINTIT);

			if ( d && cdio_cddap_open(d) != 0 ) {
				printf("Unable to open disc.\n");
			}
		}
Ejemplo n.º 4
0
static void cued_rip_prologue(rip_context_t *rip)
{
    rip->mmcBuf = NULL;
    rip->allocatedSectors = 0;

#ifdef CUED_HAVE_PARANOIA

    if (ripUseParanoia) {
        char *msg = 0;
        int rc;

        // N.B. this behavior does not match documentation:
        // the 0 here appears to prevent the message "Checking <filename> for cdrom..."
        rip->paranoiaCtlObj = cdio_cddap_identify_cdio(rip->cdObj, 0, &msg);
        if (rip->paranoiaCtlObj) {

            if (msg) {
                cdio_warn("identify returned paranoia message(s) \"%s\"", msg);
            }
            cdio_cddap_verbose_set(rip->paranoiaCtlObj, CDDA_MESSAGE_LOGIT, CDDA_MESSAGE_LOGIT);

            rc = cdio_cddap_open(rip->paranoiaCtlObj);
            cdio2_paranoia_msg(rip->paranoiaCtlObj, "open of device");
            if (!rc) {
                rip->paranoiaRipObj = cdio_paranoia_init(rip->paranoiaCtlObj);
                cdio2_paranoia_msg(rip->paranoiaCtlObj, "initialization of paranoia");
                if (!rip->paranoiaRipObj) {
                    cdio2_abort("out of memory initializing paranoia");
                }

                cdio_paranoia_modeset(rip->paranoiaRipObj, PARANOIA_MODE_FULL ^ PARANOIA_MODE_NEVERSKIP);
                // N.B. not needed at the moment
                cdio2_paranoia_msg(rip->paranoiaCtlObj, "setting of paranoia mode");

                rip->save_read_paranoid = rip->paranoiaCtlObj->read_audio;
                rip->paranoiaCtlObj->read_audio = cued_read_paranoid;
            } else {
                cdio_cddap_close_no_free_cdio(rip->paranoiaCtlObj);

                cdio_error("disabling paranoia");
                CLRF(RIP_F_USE_PARANOIA, rip->flags);
            }
        } else {
            cdio_error("disabling paranoia due to the following message(s):\n%s", msg);
            CLRF(RIP_F_USE_PARANOIA, rip->flags);
        }
    }

#endif // CUED_HAVE_PARANOIA

    if (rip->qSubChannelFileName) {
        if (!strcmp("-", rip->qSubChannelFileName)) {
            rip->qSubChannelFile = stdout;
        } else {
            (void) format_get_file_path(rip->cdObj, rip->cddbObj, rip->qSubChannelFileName, "", 0, rip->fileNameBuffer, rip->bufferSize);

            // replaced O_EXCL with O_TRUNC to allow using /dev/null for testing
            rip->qSubChannelFile = fopen2(rip->fileNameBuffer, O_WRONLY | O_CREAT | O_TRUNC | O_APPEND, 0666);
            if (!rip->qSubChannelFile) {
                cdio2_unix_error("fopen2", rip->fileNameBuffer, 0);
                cdio_error("not creating sub-channel file \"%s\"", rip->fileNameBuffer);

                rip->qSubChannelFileName = 0;
            }
        }
    }

    rip->endOfDiscSector = cdio_get_disc_last_lsn(rip->cdObj);
    if (CDIO_INVALID_LSN == rip->endOfDiscSector) {
        cdio2_abort("failed to get last sector number");
    } else {
        //cdio_debug("end of disc sector is %d", rip->endOfDiscSector);
    }
}
Ejemplo n.º 5
0
// pure virtual
bool CdDecoder::initialize()
{
    if (m_inited)
        return true;

    m_inited = m_user_stop = m_finish = false;
    m_freq = m_bitrate = 0L;
    m_stat = DecoderEvent::Error;
    m_chan = 0;
    m_seekTime = -1.;

    if (output())
        output()->PauseUntilBuffered();

    QFile* file = dynamic_cast< QFile* >(input()); // From QIODevice*
    if (file)
    {
        setFilename(file->fileName());
        m_tracknum = getFilename().section('.', 0, 0).toUInt();
    }

    QMutexLocker lock(&getCdioMutex());

    m_cdio = openCdio(m_devicename);
    if (!m_cdio)
        return false;

    m_start = cdio_get_track_lsn(m_cdio, m_tracknum);
    m_end = cdio_get_track_last_lsn(m_cdio, m_tracknum);
    if (CDIO_INVALID_LSN  == m_start ||
        CDIO_INVALID_LSN  == m_end)
    {
        LOG(VB_MEDIA, LOG_INFO, "CdDecoder: No tracks on " + m_devicename);
        cdio_destroy(m_cdio), m_cdio = 0;
        return false;
    }

    LOG(VB_MEDIA, LOG_DEBUG, QString("CdDecoder track=%1 lsn start=%2 end=%3")
            .arg(m_tracknum).arg(m_start).arg(m_end));
    m_curpos = m_start;

    m_device = cdio_cddap_identify_cdio(m_cdio, 0, NULL);
    if (NULL == m_device)
    {
        LOG(VB_GENERAL, LOG_ERR,
            QString("Error: CdDecoder: cdio_cddap_identify(%1) failed")
                .arg(m_devicename));
        cdio_destroy(m_cdio), m_cdio = 0;
        return false;
    }

    cdio_cddap_verbose_set(m_device,
        VERBOSE_LEVEL_CHECK(VB_MEDIA, LOG_ANY) ? CDDA_MESSAGE_PRINTIT :
            CDDA_MESSAGE_FORGETIT,
        VERBOSE_LEVEL_CHECK(VB_MEDIA, LOG_DEBUG) ? CDDA_MESSAGE_PRINTIT :
            CDDA_MESSAGE_FORGETIT);

    if (DRIVER_OP_SUCCESS == cdio_cddap_open(m_device))
    {
        // cdio_get_track_last_lsn is unreliable on discs with data at end
        lsn_t end2 = cdio_cddap_track_lastsector(m_device, m_tracknum);
        if (end2 < m_end)
        {
            LOG(VB_MEDIA, LOG_INFO, QString("CdDecoder: trim last lsn from %1 to %2")
                .arg(m_end).arg(end2));
            m_end = end2;
        }

        m_paranoia = cdio_paranoia_init(m_device);
        if (NULL != m_paranoia)
        {
            cdio_paranoia_modeset(m_paranoia, PARANOIA_MODE_DISABLE);
            (void)cdio_paranoia_seek(m_paranoia, m_start, SEEK_SET);
        }
        else
        {
            LOG(VB_GENERAL, LOG_ERR, "Warn: CD reading with paranoia is disabled");
        }
    }
    else
    {
        LOG(VB_GENERAL, LOG_ERR,
            QString("Warn: drive '%1' is not cdda capable").
            arg(m_devicename));
    }

    int chnls = cdio_get_track_channels(m_cdio, m_tracknum);
    m_chan = chnls > 0 ? chnls : 2;
    m_freq = kSamplesPerSec;

    if (output())
    {
        const AudioSettings settings(FORMAT_S16, m_chan,
            CODEC_ID_PCM_S16LE, m_freq, false /* AC3/DTS passthru */);
        output()->Reconfigure(settings);
        output()->SetSourceBitrate(m_freq * m_chan * 16);
    }

    // 20ms worth
    m_bks = (m_freq * m_chan * 2) / 50;
    m_bksFrames = m_freq / 50;
    // decode 8 bks worth of samples each time we need more
    m_decodeBytes = m_bks << 3;

    m_output_buf = reinterpret_cast< char* >(
        ::av_malloc(m_decodeBytes + CDIO_CD_FRAMESIZE_RAW * 2));
    m_output_at = 0;

    setCDSpeed(2);
    m_inited = true;

    return m_inited;
}